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  <title>Write data into shared memory block</title>
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 <body class="docs"><div id="layout">
  <div id="layout-content"><div id="function.shmop-write" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">shmop_write</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.0.4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">shmop_write</span> &mdash; <span class="dc-title">Write data into shared memory block</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.shmop-write-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>shmop_write</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$shmid</code></span>
   , <span class="methodparam"><span class="type">string</span> <code class="parameter">$data</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$offset</code></span>
   ) : <span class="type">int</span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>shmop_write()</strong></span> will write a string into shared memory block.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.shmop-write-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">shmid</code></dt>

     <dd>

      <p class="para">
       The shared memory block identifier created by 
       <span class="function"><a href="shmop_open.html" class="function">shmop_open()</a></span>
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">data</code></dt>

     <dd>

      <p class="para">
       A string to write into shared memory block 
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">offset</code></dt>

     <dd>

      <p class="para">
       Specifies where to start writing data inside the shared memory
       segment.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.shmop-write-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   The size of the written <code class="parameter">data</code>, or <strong><code>FALSE</code></strong> on 
   failure.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.shmop-write-changelog">
  <h3 class="title">更新日志</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>版本</th>
      <th>说明</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
      <td>7.0.0</td>
      <td>
       The type of <code class="parameter">shmid</code> has been changed from
       <span class="type"><a href="language.types.integer.html" class="type int">int</a></span> to <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span>.
      </td>
     </tr>

    </tbody>
   
  </table>

 </div>


 <div class="refsect1 examples" id="refsect1-function.shmop-write-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-4460">
    <p><strong>Example #1 Writing to shared memory block</strong></p>
    <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$shm_bytes_written&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">shmop_write</span><span style="color: #007700">(</span><span style="color: #0000BB">$shm_id</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$my_string</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
    </div>

   </div>
  </p>
  <p class="para">
   This example will write data inside <em>$my_string</em> into
   shared memory block, <em>$shm_bytes_written</em> will contain
   the number of bytes written.
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.shmop-write-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="shmop_read.html" class="function" rel="rdfs-seeAlso">shmop_read()</a> - Read data from shared memory block</span></li>
   </ul>
  </p>
 </div>

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